Question of the Week

If babies are born by caesarian and modern medicine allows many more people to survive to adulthood, will the human...

Calculators are rather speedy at subtracting, sums and deriving standard deviations. But how do they do it? We find out...

If you've ever returned from taking the dog for a walk through rain, you'll probably be very aware of the...

Given that photons are massless, how do solar sails get pushed along by light? We explore the reasoning in this...

Do bubbles act like insulation on the surface of your bath?& Will it prevent the need for that toe-burning hot...

Why is it, that when you take photos of footprints in sand, they can sometimes appear raised? We tackle this holiday...

Ever wondered what all that junk in your DNA trunk is doing? Find out in this QotW! Plus, we ask: what's the point...

Is it true that there are more earthquakes now than in the past, and that they are more intense? We explore the problem...

Have you ever noticed how leaving bits of leftover breakfast cereal uneaten causes it to harden like cement to the side...

So you've felt those cold winds robbing you of your heat, but how fast do you have to go before they give it back...

Does a full fuel tank waste cash? Is there an optimum level to which you should fill your car's petrol tank so it...

If you've been to a whale acrobatics display at a tourist centre, you probably noticed some very loud music being...

This week: what methods does our body use to keep itself warm? What does shivering actually do?

Giraffes have very long necks indeed so how do they go about barfing? We find out how they revisit their dinner.

Eye circles plague many of us at one time or another. Some of us have them all our lives! But what causes them? We have...

How did you go about heating the water for this morning's shower? Did you leave the boiler on all night or just...

Where do you have to go on the Earth to find the strongest pull of gravity? And where might one go to find the weakest?

In the absence of a giant ruler, how does one go about measuring how far the Earth is from a star? Simon Singh explains...

Potato peelers are the staple of the kitchen drawer, but why don't they ever seem to need a good honing as...

This week, how do painkillers locate the bits that hurt? Do they have an inflammatory sat-nav or do they just numb your...

This week, we discover the reasons for those aches and pains known as cramps. What causes them and how can they be...

If you're hanging onto the back of a car, how fast would it have to go before you were lifted off the ground?

Is it possible to walk in a straight line if one is blind or blindfolded? Are blind people better at it? Find the...

Which is better for the environment: an e-card or a traditional paper card? We have the answer for you in this (not...